Test with firefox on macos again

.github/workflows/test.yml

@@ -77,8 +77,14 @@ jobs:
       #      --driver=test_driver/integration_test.dart \
       #      --target=integration_test/webcrypto_test.dart \
       #      -d chrome
-      # TODO: Enable firefox testing on MacOS when it works
-      - run: flutter pub run test -p vm,chrome
+      - uses: browser-actions/setup-firefox@v1
+      - name: flutter pub run test -p vm,chrome,firefox
+        shell: bash
+        # Remove FIREFOX_EXECUTABLE override when flutter upgrades past package:test 1.25.8
+        # Issue is fixed in https://github.com/dart-lang/test/pull/2276
+        run: |
+          export FIREFOX_EXECUTABLE="$(which firefox)"
+          flutter pub run test -p vm,chrome,firefox
   macos-15:
     name: webcrypto on macOS 15 desktop / Chrome
     runs-on: macos-15 # Test with xcode 16
@@ -98,8 +104,14 @@ jobs:
       - run: flutter test integration_test/webcrypto_test.dart -d macos
         working-directory: ./example
       # TODO: Enable chromedriver testing on MacOS when it works reliably
-      # TODO: Enable firefox testing on MacOS when it works
-      - run: flutter pub run test -p vm,chrome
+      - uses: browser-actions/setup-firefox@v1
+      - name: flutter pub run test -p vm,chrome,firefox
+        shell: bash
+        # Remove FIREFOX_EXECUTABLE override when flutter upgrades past package:test 1.25.8
+        # Issue is fixed in https://github.com/dart-lang/test/pull/2276
+        run: |
+          export FIREFOX_EXECUTABLE="$(which firefox)"
+          flutter pub run test -p vm,chrome,firefox
   windows:
     name: webcrypto on Windows desktop / Chrome / Firefox
     runs-on: windows-latest